Can anyone identify weird window bubbles?

[Soundfox]

Hi All

I just moved and the house windows have strange bubbles around the edges. Worst on the bottom edges.

Does anyone know what this is and is there a way to remove them. It is not pretty!

Thanks

 

[FranZAR]

 

[HB]

 

[Des Miles]

 

[HB]

 

[Soundfox]

 

[HB]

 

[Curlycat]

 

[mahleu]

 

[chrisc]

 

[DIYTinker]

 

[Crafter]

 

[DACMan1]

 

[Soundfox]

 

[Curlycat]

 

[LIVESOUND]

 

[Soundfox]

 

[LIVESOUND]